Best Light Meter for Growing Cannabis Reviews 2020

Last updated on April 28th, 2020 at 06:57 pm

best light meters for cannabisBest light meter for growing cannabis reviews is a complete guide for you, by reading which, you are going to get vital info, so please read till the end. If you are looking for a healthy and good yield of cannabis, then it cent percent important for you to provide your cannabis plants with abundant light.

But the question arises that how much light is adequate? Yes, you need to measure lights as well, and that is a very important part. A light meter is a device that helps you out in measuring and tracking the intensity of light, while different stages of your plant growth.

Read Article: How to Clone Cannabis Plants? РA Complete GUIDE 2020

They do not cost much, but they provide you with big advantages. It maximizes your yield. It is quite simple to operate this device. This device is much cheaper than quantum light meters and good quality PAR meters, which professionals use.

Best light meter for growing cannabis 2020

Namemax LumensAccuracyCheck price
Dr. Meter LX1330B Lux Luxmeter table
Dr. Meter LX1330B Lux Luxmeter
2,00,000+/- %5 Check Price
HDE LX1010B digital Luxmeter reviews table
HDE LX1010B digital Luxmeter
50,000+/- %5 Check Price
MH LX-1010B Digital Luxmeter reviews table
MH LX-1010B Digital Luxmeter
50,000+/- %5 Check Price
Extech LT300 Light Meter reviews table
Extech LT300 Light Meter
4,00,000+/- %5 Check Price
Amprobe LM-200 LED Light Meter table
Amprobe LM-200 LED Light Meter
4,00,000+/- 3% Check Price

In this review, we are going to make you familiar with the usage of this device. Now only that, you will also know why it is better than other light measuring devices. We will be recommending you the best five light meters, which our experts selected after testing more than forty light meters.

You will avoid being troubled after purchasing a costly one. So, we are not just mentioning the cheap and best, but also giving an in-depth explanation about all the selected light meters. Let us move forward to explore. Shall we?

Advantages of a light meter

Now, let’s start on by knowing what actually are the advantages of a light meter. The biggest benefit is that it increases the yield of cannabis, weed and marijuana plants. By using it, you can conveniently determine the optimal spot in your growing tent or room. Besides that, it lets you know that the light that you are using is good enough, or not enough for increasing your yields. Other basic advantages of this device are:

  • It indicates when the user needs to replace the HID grow lights.
  • It Ensures healthy plant growth throughout all phases of growth.
  • A light meter prevents plant issue such as light burn and bleaching.

Top 5 Best light meters Reviews for growing cannabis

Now comes the main part of the review. These selected five are undoubtedly best from the rest. Our experts have deeply tested them in the lab. These five crossed most of the hurdles of testings, and are chosen on the basis of overall performance as well as consumer reviews.

1) Dr. Meter LX1330B Lux Luxmeter – Amazon’s choice

Dr. Meter LX1330B Lux Luxmeter reviews

Dr. Meter LX1330B Lux Luxmeter reviews

Basic info about the product

Dr.Meter is the cheap and best light meter. It is just a 9-volt device. This light meter has all the abilities of being a best light measuring device for those, who work in the field of electricity or lightning. Besides that, this product is very useful for the home users as well. One biggest use of this device is supporting cannabis growth.


First of all, it is easy to use, so it is quite fit for the beginners as well. You just need switching between LUX and FC when you are measuring light in your indoor garden. One can store max measured reading, but you can do that once only. The measuring is very accurate. Not only it is accurate, but it is also fast enough.

Measuring light intensity with this device hardly takes a few seconds. It is capable of measuring a huge range. It measures right from 0 to 200,000 Lux. That is impressive.


There are no major complains against this product. Its buyers are mostly happy. Because of the reason that it is a low price device, there is a deficiency in this light meter, that it is unable to measure light of different wavelength. This is so because it is non-linear over a band of light, better known as spectrum due to the sensitivity graph display.

Key features

  • Low power consumption
  • Can measure up to 200,000 Lux.
  • Silicon photo diode
  • 18mm LCD Display
  • Auto-zeroing
  • Capable of data hold and peak data hold
  • sampling rate: 2-3 times per second
  • Accuracy is +/-3% up to 20,000 Lux and +/-5% over 20,000 Lux.
  • 1 Year warranty
  • Power utilization: 9V battery
  • Good for beginners.
  • Quick measuring.
  • Can record the max reading.
  • Very useful for increasing yield in cannabis plants.
  • Capable of measuring 0-200,000 Lux.
  • Decent accuracy.
  • Unable to measure the light of different wavelength.

It has 4.4-star ratings out of five on Amazon, where 146 users have reviewed it. This device is definitely going to help you out in increasing your cannabis yield. We highly recommend Dr. Meter LX1330B Lux Luxmeter to all.

Read Article: Best LED Grow Lights Full Spectrum Under $100

2) HDE LX1010B digital Luxmeter – Pocket friendly

HDE LX1010B digital Luxmeter reviews

HDE LX1010B digital Luxmeter reviews

This lux meter is capable of measuring light right from 0 to 50,000 Lux. Sampling time is just 0.4 seconds. There is an auto-zero feature in this device that forces the frequency, that is displayed, turn back to zero in case it doesn’t receive a pulse input within a fixed time when it is measuring. This device is supported by a data memory.


Over range indication feature is another helpful feature. When you are using it, and the battery is low, it will indicate that, as you will receive an alert. It is a lightweight light measuring device, so you can easily carry it anywhere you want. Its accuracy and quick indication are the two most significant advantages of this light meter.


Although the while device is made from very good material and is highly durable as well, but there is one issue with its design. Many times, it happens that it slips out of your hand. That happens because its grip isn’t very tough, and is not designed well.

Key Features

  • Can measure 0-50,000 Lux.
  • Low battery indication.
  • Can measure with an accuracy of +/-5%.
  • Has data memory
  • Lightweight and easy to carry.
  • Highly durable.
  • Grip is not designed well.

You get a Dr. Lux LX1010B Luxmeter at a very reasonable price, and it is highly durable as well. Just the gripping issue is there, which is not serious. It works very efficiently, perfectly and quick. Hence, we highly recommend HDE LX1010B digital Luxmeter

3) MH LX-1010B Digital Luxmeter light meter – Highest selling

HDE LX-1010B Digital Luxmeter light meter reviews

HDE LX-1010B Digital Luxmeter light meter reviews

We selected HDE LX-1010B Digital Luxmeter light meter in our Best light meter for growing cannabis reviews because it is the best for home use. It proved itself one of the best for maximizing cannabis yield at its price level. It offers you decent accuracy and smooth functionality. You can use it in various places such as inspection, photography, construction, etc.

The basic measurement accuracy is within 5%, that is a big plus point. It measures up to 100,000 Lux. It runs on a 9v battery, which doesn’t come with the product, you will have to buy that separately.


Its quick measurement quality is a big advantage. The sampling rate is just 0.4 seconds. There is an auto-zeroing feature in it. You can also hold the data in this device. This light meter is made up of thin plastic, which makes it lightweight and easy to carry, but at the same time kills its durability.

There is a built-in light sensor in this device, while let’s allow you to measure the light at an optimal position.


The only issue with this device is its durability. It is quite less durable in comparison to its competitors, as it is made of plastic. This light meter cannot withstand if you drop it several times. But remember, if you take care of it, and avoid dropping or rough handling, it is going to last long, as the inner components are highly durable, the issue is only with outer material.

Key features

  • Over-range indication
  • Data hold
  • 3-1/2 digit LCD display
  • Sampling rate 0.4 seconds
  • Auto zeroing
  • +/-5% accuracy
  • 9V battery
  • Data hold feature
  • Bright LCD display
  • Over-range indication
  • Lightweight.
  • Consumes less power
  • Low cost
  • Body made up of plastic, hence, less durable.

If you buy HDE LX-1010B Digital Luxmeter light meter, you are getting abundant features at less price, and how can we forget its accuracy? Everything is cool about this product. You can surely buy it, and we also recommend it.

4) Extech LT300 Light Meter – Editor’s choice

Extech LT300 Light Meter reviews

Extech LT300 Light Meter reviews

This product named Extech LT300 is a very trendy light meter, and we gave it a spot in our Best light meter for growing cannabis reviews because of its excellent public review, which clearly indicates how well it performs. This device is excellent for indoor weed, cannabis and marijuana growers. This model has much to offer you at a very low price.


The first benefit is the low price. This device can measure illuminance in 5 ranges, which are 40, 400, 4,000, 40,000, 4,00,000 Lux. You can switch the measurements between Lux and foot candles. This device can measure with an error margin of 5%. It has a big size LCD backlit display, which helps you in reading in all light conditions. It also has got the data hold function.

The remote light sensor has 12 inches long coiled cable, which when expended, measures 24 inches. Another plus point with this light is meter is the presence of Relative and peak modes. Peak mode captures the highest reading, while the relative mode indicates all changes in light.

Besides that, you also get a Max/Min feature, that helps you in recording the highest and the lowest readings. You can start fresh recording by using the recall function.


Reading drift up for a few minutes. That happens occasionally. Another bad thing about this device is that operating it is not that simple. You take a bit of time to understand how it functions, and how to utilize its features properly.


  • Can measure up to 400,000 Lux
  • Color correction filter
  • Large and bright LCD backlit display
  • Data hold function
  • The sampling rate is 13.3 times per second
  • Large and bright LCD
  • Easy note-taking
  • Low price
  • The capability of data holding
  • Basic accuracy of +/-5%
  • Presence of color correction filter
  • perfect for maximizing indoor cannabis yield
  • Might read drift for a few minutes in some cases.
  • A bit complex and not good for beginners.

This light meter is very accurate in measuring, and there are no complaints regarding its durability. No issue regarding the performance of Extech LT300 Light Meter, so we highly recommend it is our Best light meter for growing cannabis reviews to all.

5) Amprobe LM-200 LED Light Meter – Good for professional growers

Amprobe LM-200 LED Light Meter reviews

Amprobe LM-200 LED Light Meter reviews

This product named Amprobe LM-200 LED Light Meter is a dual scale light meter, which is capable of measuring 400,000 Lumens per square meter. It is attached with a silicon diode sensor, and it filters for work at the amplitudes till 2,000 meters. This light meter is available at a higher price in comparison to many other light meters in the market, but remember, it costs high because it performs much well.


This device comes to switch an inbuilt memory, which is capable of storing up to 99 recordings at a time. There is a data hold function present in this device, that does the job of freezing all the recordings, that materialize on display. An angled cosine correction is also there in this device, which corrects the calculation of the light from any angle. This option can be utilized for light angle projection.

2.5 Times per second is the sampling rate. It measures with accuracy, of +/-3%. This product comes with a 1.5-meter long cable and a battery (9V) as well. The battery lifespan is 200 hours.


The length of the cord is an issue. It is quite short. Another issue is that the functioning of this device is a bit complex and needs time to be understood. Well, those two were the only issue, rest everything is okay.

Key Features

  • Angled light cosine correction
  • data hold function
  • Built-in memory
  • Silicon diode sensor
  • Measures up to 400,000 Lux
  • 2.5 times per second sampling rate
  • 9V battery comes along with the product
  • Basic accuracy is +/-3%
  • Can store data of up to 99 recordings
  • Decent accuracy
  • Highly durable
  • perfect choice for both basic indoor cannabis growers and professional growers
  • Decent for angle light projection
  • ¬†Accessories were missing in a few units that were delivered.
  • Complex functioning, and not good for beginners.
  • Cord length is a bit less.

It is always good if you get a much better product by paying just a few more money. Amprobe LM-200 LED Light Meter is high with its performance and features. We highly recommend Amprobe LM-200 LED Light Meter in our Best light meter for growing cannabis reviews but not to the absolute beginners.

Best light meter for growing cannabis reviews : The wrap-up

Through Best light meter for growing cannabis reviews we made you familiar with the products, which were best from the rest. Now it is the time to do a quick revision but in a very short format. Shall we?

Dr. Meter LX1330B Lux Luxmeter is the Amazon’s choice, as it has been successful in receiving amazing public reviews on Amazon and ratings are also decent.

If you are among those, who care a lot about pocket, and don’t like to shed heavy bulk from the pocket just for a light meter, then you must buyHDE LX1010B digital Luxmeter.

If you talk about the most trendy light meter, then it is none other than MH LX-1010B Digital Luxmeter light meter. It is the highest selling and besides that, highly recommended one.

If I was at your place and had to choose the best one for myself, then I had invested my money in buying an Extech LT300 Light Meter. That is editor’s choice.

If you are a professional grower and want a highly featured grow light, at a low price, then you must buy an Amprobe LM-200 LED Light Meter. It is going to fulfill all of your needs.

Leave a Reply